• - FAQ -

    Frequently asked questions to help you to know COVNA deeply


About Company

Where is your headquarter?

Founded in 2000, COVNA is headquartered in Dongguan, Guangdong, China. 3 production bases and more than 100 workers. For more details please check here.

How many engineers do you have?

We have around 20 engineers from R&D, Designing, Production and QC department.

Which overseas exhibitions have you attended?

We have attended and visited ThaiWater 2015/2017/2018/2019, AsiaWater 2018, Water Philippines 2019, SIWW 2018, ECWATECH 2018, PCT Shanghai 2015/2016, and many industrial Exhibitions in China.

Can I be your distributor?

Yes. We are always searching for global distributors who can be our partners to expand the local markets, and we also provide market protection, marketing and technical support for our distributors. If you are involved in the valve industry, or in relative industries which has rich customer base who will need valves, welcome to contact us and talk more details about the distributorship.

About Purchasing

When can I get the quotation?

We usually quote within 12 hours after we get your detailed inquiry and needs.

If you are very urgent to get the price, please call us or email us so that we will regard your inquiry priority

Could you help to confirm the product by our needs?

Yes, our experienced sales teams and engineers know the industry deeply. And we trust that their experience could help you to select the right product for your project and help your project run well.

Welcome any inquiries from you!

About Products & Quality

Do you provide free samples?

Normally we do not provide free samples, but if for special orders, yes, we would offer free samples for customers to test the quality before bulk order.

How do I make sure I order the right size?

We are glad to help you to confirm the product details to ensure you order the right one. If you have any doubts about the valve type and its application, please feel free to send us an email at sales@covnavalve.com, we will reply to you soonest within 12 hours.

What are your quality control procedures?

COVNA adheres to strict quality control procedures that begin with product design and carry through to the end of the production process using state-of-the-art quality control equipment to make sure the quality of each valves appearance and pressure, sealing test are good.

Do you have any certificates of the valves?

Yes, COVNA possesses various qualifications, including FDA, ISO9001:2005, RoHS, CE, SGS, and Explosion-proof Electrical Apparatus.

Would it have a warranty card with the goods while it sent out?

Yes, each valve will be packed with guarantee card to make sure the validation of warranty.

How can we do factory audit or order inspection?

You can visit our factory at any time, or apply for third-party factory audit. And during the COVID-19 special period, we could provide an online video chat for you to visit our factory.

About Payment Terms

What is your payment term?

We accept T/T, Paypal, Western Union, and credit cards.

Meanwhile, we accept 100% payment before production for order amounts below 10,000 USD. 50% deposit before production and balance before shipment for order amount over 10,000 USD.

About Packing

How are orders packed?

Most shipments include boxes packed inside an outer carton and placed on a wooden pallet or a box.

Welcome to contact us to get pictures of the packing.

About Shipment

Do you have stock? And how about the customized products?

Yes. All regular products are in stock. The fast delivery time for the regular product is 1 to 3 days.

And for the customized product is around 7 to 15 days.

How do you ship the goods?

We have cooperated shipping agent and could help to arrange the shipment by sea or air or railway which help customers to reduce the trouble.

About After-Sales Services

What if the product gets some issue?

Please don’t worry. We provide online technical support.

Our sales will help to confirm the cause of the problem step by step. And then our engineer will assist to solve the problem.

Do you provide manual sheets?

Yes, manual sheets are available to help you to use the product well.

Ready to work with us?

Enjoy our competitive price & your business grows.

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